Mansard style building structure



FIG. 1 is a perspective view of a mansard style building structure constructed in accordance with the present invention and illustrating our new design;

FIG. 2 is a side elevational view of the mansard style building structure of FIG. 1, taken from the left side thereof;

FIG. 3 is a side elevational view of the mansard style building structure of FIG. 1, taken from the right side thereof;

FIG. 4 is a front elevational view of the mansard style building structure of FIG. 1;

FIG. 5 is a top plan view of the mansard style building structure of FIG. 1; and

FIG. 6 is a rear elevational view of the mansard style building structure of FIG. 1. 

The ornamental design for a mansard style building structure, as shown and described. 